Tool details

cf

How cf performs across locations, systems and versions.

Period

Statistic

Overall

2 tests

Tests

Speed · Median

1.39 MB/s

Latency · Median

472 ms

Stability · Median

92.5%

Lowest speed

337.46 KB/s

Highest speed

2.45 MB/s

Last 90 days

Location	Tests	Speed	Latency	Stability
Mainland China	2	1.39 MB/s	472 ms	92.5%

OS	Tests	Speed	Latency	Stability
Android	2	1.39 MB/s	472 ms	92.5%

Version	Tests	Speed	Latency	Stability
Unspecified	2	1.39 MB/s	472 ms	92.5%

No visitor test with exit-IP quality yet; running a test records it.

Time	Location	Version	OS	Exit	Speed	Latency	Stability	Reach	Quality	Source	Details
last month	Mainland China	—	Android	US	2.45 MB/s	472 ms	94.4%	—	2160p	GreatFire	View details
4 years ago	Mainland China	—	Android	HK	337.46 KB/s	—	90.5%	—	720p	GreatFire	View details

Next step

Step 1 · Test the toolSpeed test and rankings
Run a speed test from inside your network, then compare it with the other tools in the rankings.
Run a speed test See the rankings
Step 2 · Check the exitExit IP and browser fingerprint
Using cf? Check your exit IP and fingerprint: whether the IP gets flagged and what your browser gives away.
Check your exit IP See your browser fingerprint
Step 3 · Watch the networkObservatory and weekly digest
A slow tool is not always the tool's fault: check the blocks, outages and network quality in your region.
Open the observatory Read the weekly digest

Data source: GreatFire Circumvention Centralsynced hourlylast sync 09/15/2026, 01:15 UTC